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-rw-r--r--include/uapi/drm/v3d_drm.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h
index 35c7d813c66e..ea70669d2138 100644
--- a/include/uapi/drm/v3d_drm.h
+++ b/include/uapi/drm/v3d_drm.h
@@ -52,6 +52,14 @@ extern "C" {
*
* This asks the kernel to have the GPU execute an optional binner
* command list, and a render command list.
+ *
+ * The L1T, slice, L2C, L2T, and GCA caches will be flushed before
+ * each CL executes. The VCD cache should be flushed (if necessary)
+ * by the submitted CLs. The TLB writes are guaranteed to have been
+ * flushed by the time the render done IRQ happens, which is the
+ * trigger for out_sync. Any dirtying of cachelines by the job (only
+ * possible using TMU writes) must be flushed by the caller using the
+ * CL's cache flush commands.
*/
struct drm_v3d_submit_cl {
/* Pointer to the binner command list.